Sorry but I can't find this information. The speakers have an aluminium membrane for improved sound quality. The rating (unknown) will be high enough to manage the power being distributed from the amplifier. The entire system has BMW approval and is designed by Alpine who are one of the worlds leading audio equipment specialists.

Also, it mentions in the kit list - ALL MOULDINGS...sorry but what are the mouldings?

Mouldings refer mostly to any plastic or rubber items that are required to house any parts in the kit. For example, tweeters which are small speakers will be added into the A pillar at the front of the car. The trim/moulding will be replaced to a special one which will cover that speaker.

Mouldings refer mostly to any plastic or rubber items that are required to house any parts in the kit. For example, tweeters which are small speakers will be added into the A pillar at the front of the car. The trim/moulding will be replaced to a special one which will cover that speaker.

I guess on an E91 the amp goes in the recess under the boot floor cover?

My hesitation is that because I have non RFTs, there isn't a lot of room in there (the amp looks quite big) - mostly taken up by the 12v compressor and Tyre Weld. I also have a made to measure Hatchbag so fitting it elsewhere in the boot isn't an option.